71821625

素因数分解:

$5^3\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 94112928

約数和(自身を除く): 22291303

約数列:

[1, 5, 25, 37, 53, 125, 185, 265, 293, 925, 1325, 1465, 1961, 4625, 6625, 7325, 9805, 10841, 15529, 36625, 49025, 54205, 77645, 245125, 271025, 388225, 574573, 1355125, 1941125, 2872865, 14364325, 71821625]

約数ペア:

[(1, 71821625), (5, 14364325), (25, 2872865), (37, 1941125), (53, 1355125), (125, 574573), (185, 388225), (265, 271025), (293, 245125), (925, 77645), (1325, 54205), (1465, 49025), (1961, 36625), (4625, 15529), (6625, 10841), (7325, 9805)]